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Internet Service Providers in Greece
List of the top 20 organizations with the largest IP allocations in Greece
Rank
Name
IPv4 addresses
IPv6 /64 networks
AS numbers
Prefixes
Ote SA (Hellenic Telecommunications Organisation)
4,145,408
1.16 x 2
36
3
163
VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA
2,600,960
1.9 x 2
35
2
534
Nova Telecommunications & Media Single Member S.A
2,244,864
1.55 x 2
36
3
473
4
National Infrastructures for Research and Technology S.A.
256,768
1.13 x 2
35
2
45
5
Greek High-School Internet Network
79,104
1.01 x 2
24
1
11
6
Technological Educational Institute of Crete
70,656
2
16
1
7
7
INTRACOM S.A. TELECOM SOLUTIONS
66,816
0
1
6
8
Foundation of Research and Technology Hellas
66,304
2
17
2
6
9
Aristotle University of Thessaloniki
65,792
2
16
1
3
10
University of Crete
65,792
2
16
1
3
11
National Center of Scientific Research DEMOKRITOS
65,536
2
16
1
2
12
Technical University of Crete
65,536
2
16
1
2
13
Center for Research and Technology Hellas (CERTH)
65,536
2
16
1
2
14
National Technical University of Athens
65,536
2
16
1
2
15
MEDIANET INVEST AE
55,040
1.01 x 2
35
1
167
16
University of Athens
51,712
2
16
1
5
17
Computer Technology Institute and Press
32,768
0
1
1
18
LANCOM LTD
26,880
1.01 x 2
24
3
62
19
ELLINIKA DIKTIA KALODION MEPE
22,528
0
1
22
20
Space Hellas S.A.
16,384
2
32
1
34